ArticlePloS one2023
Evaluation of bread wheat (Triticum aestivum L.) genotypes for drought tolerance using morpho-physiological traits under drought-stressed and well-watered conditions.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- The effect of drought on physiological and agronomic traits of tef [Frontiers in plant science · 2026Article
- Exploring Molecular Mechanisms in Wheat against Drought Stress from Sustainable Resilience Strategies To Emerging Innovative Approaches.Current microbiology · 2025Review
- Biometric and molecular responses to water deficit in two contrasting Italian durum wheat cultivars.BMC plant biology · 2025Article
- Agronomical Responses of Elite Winter Wheat (Plants (Basel, Switzerland) · 2025Article
- Phenotyping for Drought Tolerance in Different Wheat Genotypes Using Spectral and Fluorescence Sensors.Plants (Basel, Switzerland) · 2025Article
- Evaluation of drought-tolerant chickpea genotypes (Frontiers in plant science · 2025Article
- Identification of novel marker-trait associations for agronomic traits in bread wheat under WANA environments through GWAS.PloS one · 2025Article
- Article
- Article
- Exploring the adaptive mechanisms and strategies of various populations of Sporobolus ioclados in response to arid conditions in Cholistan desert.BMC plant biology · 2024Article
- The role of salicylic acid in modulating phenotyping in spring wheat varieties for mitigating drought stress.BMC plant biology · 2024Article
- Mitigating drought stress in wheat plants (Triticum Aestivum L.) through grain priming in aqueous extract of spirulina platensis.BMC plant biology · 2024Article
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3 authors.
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Abstract
Increasing frequency of drought spells occasioned by changing climatic conditions, coupled with rise in demand for bread wheat, calls for the development of high yielding drought resilient genotypes to enhance bread wheat production in areas with moisture deficit. This study was designed to identify and select drought-tolerant bread wheat genotypes using morpho-physiological traits. One hundred and ninety-six bread wheat genotypes were evaluated in greenhouse and field experiments, under well-watered (80% of field capacity) and drought-stressed (35% of field capacity) conditions, for two years. Data were collected on five morphological traits (flag leaf size, flag leaf angle, flag leaf rolling, leaf waxiness and resistance to diseases) and 14 physiological traits. Relative water content (RWC), Excised leaf water retention (ELWR), Relative water loss (RWL), Leaf membrane stability index (LMSI), as well as Canopy temperature depression (CTD) at heading (CTDH), anthesis (CTDA), milking (CTDM), dough stage (CTDD) and ripening (CTDR) were estimated. Similarly, leaf chlorophyll content (SPAD reading) was recorded at heading (SPADH), anthesis (SPADA), milking (SPADM), dough stage (SPADD), and ripening (SPADR). Significant (p<0.01) genotypic differences were found for the traits under both well-watered and drought-stressed conditions. Associations of RWL with SPADH, SPADA, SPADM, SPADD and SPADR were significant (p<0.01) and negative under both watering regimes. The first three principal components accounted for 92.0% and 88.4% of the total variation under well-watered and drought-stressed conditions, respectively and comprised all the traits. The traits CTDD, CTDM, CTDR, SPADH, SPADA, SPADM, SPADD and SPADR with genotypes Alidoro, ET-13A2, Kingbird, Tsehay, ETBW 8816, ETBW 9027, ETBW9402, ETBW 8394 and ETBW 8725 were associated under both conditions. Genotypes with narrow flag leaves, erect flag leaf angles, fully rolled flag leaves, heavily waxed leaves, and resistant to disease manifested tolerance to drought stress. The identified traits and genotypes could be exploited in future breeding programmes for the development of bread wheat genotypes with tolerance to drought.
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